Sole-edge-burnishing machine



2 Sheets'Shet 1.

(No Model.)

J. HOWARD.

SOLE EDGE BURNISHI-NG MACHINE.

\NVENTEIR Patented Apr. 8. 1884.

N} PETERS, Puma-mow Washingma. 0.41

2 Sheets-Sheet 2.

(No Model.)

J. HOWARD. SOLE EDGE BURNIS'HING MACHINE.

Patented Apr. 8, 1884.

Fig- 5 INVENTIVIIFV UNITED STATES PATENT @rrics.

JAMES nownnn, or nosron, nassncnnsn'rrs.

SOLE-EDGE-BURNISHiNG MACHINE.

SPECIFICATION forming part of Letters Patent No, 296,570, dated April 8, 1884-.

Application filed December 26, 1883. (No model.)

To all 101 1-07771 it may concern! Be it known that 1, James HOWARD, of Boston, in the county of Suffolk and State of Massachusetts, haveinvented certain new and useful Improvements in SoleEdge-Burnishing Machines, of which the following is a specification.

My invention relates to that class of machines and arrange the working parts of the machine that the burnishing-tool may be freely moved in every direction, so as to be adapted to burnish every part of the edge of the sole, and embodies-combining with the working-head or tool-operating part of the machine-a secondary swinging frame and a primary resilient connection, so that although the position of the head may be changed the force-transmitting belt will always be taut and in condition to vibrate the burnishingtool. I attain this object by the mechanism illustrated in the accompanying drawings, in which- Figure l is a side elevation of my machine. Fig. 2 is an end elevation, showing the working-head of the machine. Fig. 3 is an elevation showing the rear part of the machine, and Fig. 4 is a plan view of the toolholder.

A. A, Fig. 3, are bearings connected to the frame A of the machine, Fig. 3, in which revolvesashaft,]3. From this shaft are suspended the swinging frames 0 and D, Figs. 1 and 3.

1 In the lower end of the two arms that project downward from the frame 0 are pointed or center screws 0. 0. These screws support on their points the housing C", Figs. 1 and 3. In this housing is fitted a pin or stud, {indicated by dotted lines,) (3, Fig. 3. The lower end of the stud C is fastened in the housing In the housings G is a spindle, 0*. This arrangement of the housing 0, stud C and screws C 0 forms a universal j oint; admitting of free movement in a vertical or horizontal plane, so that the head of the machine can be turned to cause the burnishing-tool to bear upon the edge that may be presentedto its action. 7

G is an arm extending from the housing 0 to the head of the machine. From the end of this arm C at Fig. 2 extends a semicircular frame or fork, E, Fig. 2.

Through the bosses E E of the frame E are centcr-screws E E, Fig. 1, and on these screws is supported the yoke or frame F, Figs. 1 and 2.

F F are two lugs extending from and forming a part of the frame F, in each of which is a centerscrew.

H H, Fig. 2,is a framemounted on the centering-screws F F. In the upper part, H, of this frame I place a shaft centrally located, which has the pulley H upon it, and by which it is driven. This shaft has a crank-pin, H which imparts a reciprocating movement to the lever K, Figs. 1 and 2. At the same time the working-head of the machinecontaining the crank-shaft, pulley H frame H H, and lever K-is capable of being rocked in a vertical plane on the center-screws F, while the screws F, working-head, and frame F are all capable of being rocked in a horizontal plane on the center-screws E of the fork E, Figs. 1 and 2. This combination of all these movements makes it much easier to guide the burnishing-tool on all styles of sole-edges with this machine than with any machine of its class heretofore in use.

L,'Fig. 1, is a close-coiled spring, which extends from the working-head of the machine to the swinging frame D, to which it is attached by the screw L, which forms a joint. This spring prevents any slackening of the belt when the head is rocked on the screws F, and also through its being an elastic connection between the head and frame D it does not interfere with the free movement of the head (within reasonable limits) in everydirection.

M is the burnishing-tool, and N, Fig. 4, the tool-holder. This tool-holder N is pivoted to a center piece, 1?, (see Fig. 4,) attached to the vibrating lever K, Figs. 1 and 2, and has two tool-holding sockets, I" P, Fig. 4.

Motion is communicated to the crank-shaft H in the head of the machine through the pulley H by the belt I), which passes around .the pulley D and is guided by the pulleys The tool-holder N, Figs. 1 and 2, is locked into position by means of the lever P Fig. 2, the lower end of which fits into one of the IOU notches I or P, Fig. 4, the lever being pivoted on the screw P, Fig. '2.

To change the position of the tool-holderN it is only necessary to press the lever P and then to turn the tool-holder to the position de sired, and push the lever 1?? back into place.

B, Fig. 1, is a handle, by which the operator guides the machine in its work.

Having thus described my invention, what I desire to secure by Letters Patent is 1. In a sole-edge-burnishing machine, the combination of the swinging frame D, arm 0 resilient connection L, and Working-head with the belt 1), pulleys D D and driving-pulley D, all operating together substantially as described, and for the purpose set forth.

2. In a sole-edge-burnishing machine, the combination of the swinging frames D and G, the housings O and O spindle G" and arm 0 and Working-head of machine, all operating together substantially as described, and for the purpose set forth. 1

3. In a sole-edge-burnishing machine, the combination of the Working-head having a crank-shaft, H lever K, tool-holder N, and locking-lever P all operating together substantially as described, and for the purpose set forth.

, JAMES HOWVARD.

Vitnesses:

HELEN M. FEEGAN,

WILLIAM EDSON. 

